Scott Dudelson/Getty David Roach updated fans about his cancer diagnosis via Instagram on June 26 The heavy metal rocker was diagnosed with "aggressive squamous cell carcinoma affecting his head, neck, and throat" The band is selling merch with proceeds going towards Roach's ongoing medical costs David Roach is giving an update on his cancer diagnosis. TheJunkayrdfrontman told fans about his "aggressive cancer diagnosis" in January withan Instagram postshared by the band on his and fiancée Jennifer's behalf on Thursday, June 26. Roach has been part of the heavy metal band since 1987 and was diagnosed with "aggressivesquamous cell carcinomaaffecting his head, neck, and throat," per aGoFundMeset up for him. "First off, we want to thank you all for the overwhelming support and love you've shown us during this incredibly challenging time," the statement began. "We wish we could respond to each of you, but honestly, there are no words right now. We're still struggling to process the news we received on Tuesday." Junkyard/Instagram Never miss a story — sign up forPEOPLE's free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. According to the post, Roach had an "ongoing fever and cough" and was eventually admitted to the ER. The band then received "results that have completely shattered our world." "It's devastating and life-altering, and we're trying to navigate through the emotions and uncertainty that come with it." "David is showing such incredible strength and resilience, and even in the midst of this darkness, he's still managing to keep his sense of humor," the statement continued about the heavy metal rocker. "It's a reminder of how amazing he is. But we know this journey ahead will be extremely tough, David made it clear he is not giving up hope and we're going to need all of your love and prayers." The statement concluded by thanking fans for their kindness and support, along with asking fans to keep Roach in their thoughts. In January, the band posted on Roach's behalf, revealing that he had beenexperiencing a "medical issue."He shared the news of his "aggressive cancer diagnosis"later that month. John Atashian/Getty AGoFundMe has been set upto help Roach with expenses, as his fiancée "had to step away from traditional employment to become his full-time caregiver," since his diagnosis "requires around the clock care and supervision." They applied for disability along with full-time caregivers' assistance, but there is "an extremely long waiting period to go through the processing and receive approval." They've asked for $35K in donations and as of publishing, received over $27K. Roach is also selling his plaque artto help cover expenses during this time. Scott Dudelson/Getty Additionally, Junkyard's website isselling shirtsin order to raise money to support Roach. Fans can purchase black t-shirts that read "DAVID ROACH, F--- CANCER" with an image of a spade surrounded by flowers. The band was founded in 1987. They broke up five years later but then got back together in 2000. They are best known for the songs "Simple Man" and "Hollywood." Read the original article onPeople